EN

Sine encoders
Through hollow shaft ø20 to ø27 mm
1024, 2048 sinewave cycles per turn
ITD 42 A 4 Y79
Features
–– Encoder with through hollow shaft ø20...27 mm
–– Max. 2048 sinewaves cycles per turn
–– Sine output signals 1 Vpp
–– Mounting by torque support
–– Cable output radial
Optional
–– Cable with connector
Technical data - mechanical design
Voltage supply
Size (flange)
ø80 mm
Shaft type
ø20 mm (through hollow shaft)
ø22 mm (through hollow shaft)
ø25 mm (through hollow shaft)
ø27 mm (through hollow shaft)
Motor shaft tolerance
0.25 mm axial
0.1 mm radial
Mounting kit
050
Protection DIN EN 60529
IP 65
Operating speed
≤5000 rpm
Starting torque
≤0.015 Nm (+20 °C)
Materials
Housing: aluminium, black,
powder-coated
Shaft: stainless steel
Operating temperature
-20...+85 °C
Relative humidity
90 % non-condensing
Resistance
DIN EN 60068-2-6
Vibration 10 g, 55-2000 Hz
DIN EN 60068-2-27
Shock 30 g, 11 ms
Connection
Cable 1 m
Weight approx.
600 g
5 VDC ±10 %
8...30 VDC
Reverse polarity protection Yes
Consumption w/o load
≤90 mA
Sinewave cycles per turn
1024...2048
Sensing method
Optical
Output frequency
≤180 kHz (-3 dB)
Output signals
A, B, 0
Output stages
SinCos 1 Vpp
1
www.baumer.com/motion
6/3/2015
Technical data - electrical ratings
Subject to modification in technic and design. Errors and omissions excepted.
ITD 42 A 4 Y79 with through hollow shaft
Sine encoders
Through hollow shaft ø20 to ø27 mm
1024, 2048 sinewave cycles per turn
ITD 42 A 4 Y79
Part number
ITD 42 A 4 Y79
NI
KR1
S
IP65
050
Mounting kit
050 Mounting kit 050
Protection
IP65 IP 65
20
22
25
27
Through hollow shaft
ø20 mm, clamping ring
ø22 mm, clamping ring
ø25 mm, clamping ring
ø27 mm, clamping ring
Operating temperature
S -20...+85 °C
Connection
KR1 Cable 1 m, radial
Output signals
NI A+, A-, B+, B-, N+, NVoltage supply / signals
M 5 VDC / sine 1 Vpp
S 8...30 VDC / sine 1 Vpp
Sinewave cycles - see table
Sinewave cycles
Subject to modification in technic and design. Errors and omissions excepted.
2048
2
www.baumer.com/motion
6/3/2015
1024
Sine encoders
Through hollow shaft ø20 to ø27 mm
1024, 2048 sinewave cycles per turn
ITD 42 A 4 Y79
Output signals
Terminal assignment
Clockwise rotation when looking at the mounting side.
Core colour
Assignment
green
Track A +
brown
Track A –
grey
Track B +
black
Track B –
pink
Track N +
white
Track N –
red
UB
blue
GND
yellow
UB-Sense
violet
GND-Sense
transparent
Shield/Housing
A
2.5 V
0.4 V
2.5 V
B
Z
Output signal level
Outputs
Sine
Output amplitude A + B
1 VPP at Z0 = 120 Ω
Output amplitude N
approx. 0,4 V (useable part)
at Z0 = 120 Ω
Dimensions
45
ø80
observe position!
(hollow shaft
cutout of
clamping ring)
30
32
57
~ 22
M4
min. 30
9.5
cylinder
head screw
DIN 912M4x12
A/F3
tightening
torque
max. 2.2 Nm
d H6
d g6
mounting side
(proposition)
2 spacers
mounting
kit 050
(standard)
7
flexible
torque
support
4.5
cable, radial
KR...
3
20
Subject to modification in technic and design. Errors and omissions excepted.
1 VPP
90° el.
026- 5 Y79
www.baumer.com/motion
6/3/2015
2.5 V
differential signals
1 VPP
360° el.
Sine encoders
Through hollow shaft ø20 to ø27 mm
1024, 2048 sinewave cycles per turn
4
www.baumer.com/motion
6/3/2015
Subject to modification in technic and design. Errors and omissions excepted.
ITD 42 A 4 Y79
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